<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>

<body>
  <script>
    function Test(name,age){
      this.name = name
      this.age = arguments
    }
    class Star {
      constructor(unam,age){
        this.unam = unam
        this.age = age
      }
      sing(){
        console.log('唱歌');
      }
      movie(){
        console.log('跳舞');
      }
    }
    console.log(typeof Star)
    console.log(Star.prototype);
  </script>
</body>

</html>